MAX6383XR31D2+T Integrated Circuits (ICs)

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The MAX6383XR31D2+T is a precision, three-channel tracker PMIC, delivering superior tracking accuracy and supporting bias sequencing and sequencing control for multiple rail system sequencing. Its wide operating temperature range ensures reliable performance and accurate voltage regulation in extreme environmental conditions. In addition, the MAX6383XR31D2+T features a low-power mode, long startup delay, fault pin capability, and a lockout pin.

The MAX6383XR31D2+T has a wide range of applications, including microprocessor and memory power sequencing, portable device power management, and LED lighting. By regulating the output voltage and current, the MAX6383XR31D2+T can reduce the risk of undervoltage (UV) or overvoltage (OV) conditions and ensure reliable power supply to multiple power rails. In addition, it can control the output sequence of the power supplies to avoid system lock-up due to incorrect power sequencing.

The working principle of the MAX6383XR31D2+T is primarily based upon a high-performance voltage tracker circuit. This circuit uses an input voltage reference, along with a voltage divider, to generate a tracking voltage. The voltage reference is typically set to a voltage that is greater than the highest expected output voltage from the device. This ensures that at all times, maximum output voltage is limited. The voltage divider is connected to a non-inverting amplifier, which in turn drives the output voltage.

The MAX6383XR31D2+T also features a bias sequencing and sequencing control circuit, which helps to ensure that the output voltages are correctly sequenced, according to the custom programmed sequence. This ensures that the system power supply is correctly supplied, without any power rail getting out of sequence. The MAX6383XR31D2+T also features a low-power mode in which the device can be powered down during periods of inactivity. This reduces power consumption, making the MAX6383XR31D2+T ideal for portable device applications.

In summary, the MAX6383XR31D2+T is a versatile three-channel tracker PMIC designed for efficient and reliable power management. Its wide operating temperature range and its ability to suppress undervoltage and overvoltage conditions make it the perfect choice for microprocessor and memory power sequencing, portable device power management, and LED lighting applications.

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